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| Presentation | 2010-07-30 15:05 A Note on Service Availability Measurement for Hardware/Software System Koichi Tokuno, Shigeru Yamada (Tottori Univ.)  R2010-21 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Service availability is one of the customer-oriented attribute and defined as the attribute that the system can successfully satisfy the customers' requests. This paper discusses the stochastic service availability measurement for the computer-based system incorporating the concept of hardware{\slash}software codesign. We assume that the computer-based system consists of one hardware subsystem and one software subsystem and consider the situation where one customer intermittently uses the system which is operating and available anytime. From the viewpoint of a customer, occurrence of a system failure is recognized when either one of the following two events arises: a system failure occurs when the customer is using the system, or a usage request occurs when the system is down. We propose and derive several novel service-oriented system availability assessment measures. The time-dependent behaviors of the system itself and the customer's request are described by a Markov process. Especially for the software subsystem, we incorporate the dynamic software reliability growth process and the imperfect debugging environment into the model. Finally, we present several numerical examples of these measures for system service availability analysis. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Service availability / Hardware/software system / Codesign / Customer-perceived system down / Dynamic software reliability growth / Markov process / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 159, R2010-21, pp. 25-30, July 2010. | |
| Paper # | R2010-21 | |
| Date of Issue | 2010-07-23 (R) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | R2010-21 |
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| Conference Information | |
| Committee | R |
| Conference Date | 2010-07-30 - 2010-07-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | R |
| Conference Code | 2010-07-R |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Note on Service Availability Measurement for Hardware/Software System |
| Sub Title (in English) | |
| Keyword(1) | Service availability |
| Keyword(2) | Hardware/software system |
| Keyword(3) | Codesign |
| Keyword(4) | Customer-perceived system down |
| Keyword(5) | Dynamic software reliability growth |
| Keyword(6) | Markov process |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Koichi Tokuno |
| 1st Author's Affiliation | Tottori University (Tottori Univ.) |
| 2nd Author's Name | Shigeru Yamada |
| 2nd Author's Affiliation | Tottori University (Tottori Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-07-30 15:05:00 |
| Presentation Time | 25 minutes |
| Registration for | R |
| Paper # | R2010-21 |
| Volume (vol) | vol.110 |
| Number (no) | no.159 |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2010-07-23 (R) |
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